CN101876367B - Automatic transmission gear and clutch arrangement - Google Patents

Automatic transmission gear and clutch arrangement Download PDF

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Publication number
CN101876367B
CN101876367B CN201010170838.7A CN201010170838A CN101876367B CN 101876367 B CN101876367 B CN 101876367B CN 201010170838 A CN201010170838 A CN 201010170838A CN 101876367 B CN101876367 B CN 101876367B
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China
Prior art keywords
communicated
torque
transmitting mechanisms
gear train
apply
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Application number
CN201010170838.7A
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Chinese (zh)
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CN101876367A (en
Inventor
P·S·波尔特尔
J·A·迪默
J·M·哈特
S·H·维特科普
E·T·格罗乔夫斯基
D·J·德温格
E·I·伍登
B·伯格曼
C·E·凯里
T·辛赫
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GM Global Technology Operations LLC
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GM Global Technology Operations LLC
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Priority to US12/434,272 priority Critical
Priority to US12/434,272 priority patent/US8105196B2/en
Priority to US12/434272 priority
Application filed by GM Global Technology Operations LLC filed Critical GM Global Technology Operations LLC
Publication of CN101876367A publication Critical patent/CN101876367A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H3/00Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/62Gearings having three or more central gears
    • F16H3/66Gearings having three or more central gears composed of a number of gear trains without drive passing from one train to another
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H3/00Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H2003/445Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion without permanent connection between the input and the set of orbital gears
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H2200/00Transmissions for multiple ratios
    • F16H2200/003Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/006Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising eight forward speeds
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H2200/00Transmissions for multiple ratios
    • F16H2200/20Transmissions using gears with orbital motion
    • F16H2200/2002Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
    • F16H2200/2012Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with four sets of orbital gears
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H2200/00Transmissions for multiple ratios
    • F16H2200/20Transmissions using gears with orbital motion
    • F16H2200/203Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
    • F16H2200/2043Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with five engaging means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/04Features relating to lubrication or cooling or heating
    • F16H57/042Guidance of lubricant
    • F16H57/043Guidance of lubricant within rotary parts, e.g. axial channels or radial openings in shafts

Abstract

The invention relates to an automatic transmission gear and clutch arrangement. The transmission is provided having an input member, an output member, four planetary gear sets, a plurality of coupling members and a plurality of torque-transmitting devices. Further, a hydraulic fluid control circuit is provided for controlling the operation of the plurality of torque-transmitting devices. The hydraulic fluid control circuit receives pressurized hydraulic fluid from an off-axis hydraulic fluid pump and has a plurality of fluid passages disposed in the transmission house, input member and other coupling members.

Description

The gear of automatic transmission and clutch are arranged
Technical field
Present invention relates in general to have the multi-speed transmission of a plurality of planetary gear set and a plurality of torque transmitters, relate more specifically to for controlling the hydraulic control circuit of the operation of a plurality of torque transmitters.
Background technique
The description of this part only provides background information related to the present invention, may form also and may not form prior art.
Typical multi-speed transmission is used the combination of friction clutch, planetary gear arrangement and fixed interconnection member to obtain a plurality of velocity ratios.The quantity of planetary gear set and entity arrangements are determined by the speed ratio of encapsulation, cost and expectation conventionally.
Although current speed changer has reached its expection object, is substantially constant for the demand with the new modified model transmission configuration of improved control system.More high efficiency hydraulic control needs energy still less and improved performance, weight efficiency and driver's satisfaction is provided.Therefore, need a kind of improved, cost-saving, compact type multi-speed transmission.
Summary of the invention
The invention provides a kind of speed changer, it has input link, output link, four planetary gear set, a plurality of coupling member and a plurality of torque transmitters.Each planetary gear set comprises first, second, and third member.Torque transmitter is for example clutch and break.
A mode of execution that the invention provides speed changer, it has case of transmission, and case of transmission has intermediate support portion and front support portion.Intermediate support portion comprises that first applies fluid passage, second and apply fluid passage, the 3rd and apply fluid passage and the first block fluid passage.Front support portion comprises that the 4th applies fluid passage and the second block fluid passage.Speed changer also comprises first, second, third and fourth planet gear train, and each planetary gear set has first, second, and third member.Speed changer also comprises five torque-transmitting mechanisms, each torque-transmitting mechanisms has the chamber of applying and piston, for optionally at least another and case of transmission at least one and first, second, and third member of first, second, and third member being interconnected.First applies fluid passage and first first apply chamber and be communicated with in five torque-transmitting mechanisms.Second applies fluid passage and first second apply chamber and be communicated with in five torque-transmitting mechanisms.The first block fluid passage is communicated with first the blocking-up chamber in five torque-transmitting mechanisms.The 3rd applies fluid passage is communicated with the chamber that applies of second in five torque-transmitting mechanisms.The 4th applies fluid passage is communicated with the chamber that applies of the 3rd in five torque-transmitting mechanisms.The second block fluid passage is communicated with the blocking-up chamber of the 3rd in five torque-transmitting mechanisms.Speed changer also comprises input link, and it is connected to the second component of the second planetary gear set constantly.This input link has first, second, and third hole of the longitudinal axis setting that is parallel to input link.This input link also has the first port being communicated with the first hole and the second port being communicated with the 3rd hole, the first and second blocking-up ports that are connected with the second hole, what be communicated with the first hole first applies port, and be communicated with the 3rd hole second apply port.Speed changer also comprises output link, and it continues to be connected at least one in the second component of fourth planet gear train and the second component of third planet gear train.Speed changer also comprises intermediate member, and it is fixed to the first member of fourth planet gear train in rotatable mode.Intermediate member have the intermediate hole that is communicated with the second hole of input link, with in five torque-transmitting mechanisms the 4th apply that chamber is communicated with first apply side ports, with in five torque-transmitting mechanisms the 5th apply that chamber is communicated with second apply side ports, the first blocking-up side ports being communicated with the blocking-up chamber of the 4th in five torque-transmitting mechanisms and is communicated with the blocking-up chamber of the 5th in five torque-transmitting mechanisms and intermediate hole second block side ports.Speed changer also comprises the first interconnecting component that the first member of the first member of the first planetary gear set and the second planetary gear set is continued to interconnection, the 3rd member of the second component of the first planetary gear set and fourth planet gear train is continued to the second interconnecting component of interconnection, the first member of the 3rd member of the second planetary gear set and third planet gear train is continued to the 3rd interconnecting component of interconnection, and the 4th interconnecting component that the second component of the second component of third planet gear train and fourth planet gear train is continued to interconnection.
According to a further aspect in the invention, first in five torque-transmitting mechanisms can optionally engage that the 3rd member of the first planetary gear set and stationary element are interconnected.In five torque-transmitting mechanisms second can optionally engage with by least one and stationary element interconnection in the first member of the first member of the first planetary gear set and the second planetary gear set.In five torque-transmitting mechanisms the 3rd can optionally engage with by least one and the first member interconnection of fourth planet gear train in the second component of the second planetary gear set and input link.In five torque-transmitting mechanisms the 4th can optionally engage with by least one and the first member interconnection of fourth planet gear train in the first member of the 3rd member of the second planetary gear set and third planet gear train.The 5th in five torque-transmitting mechanisms can optionally engage that the first member of the 3rd member of third planet gear train and fourth planet gear train is interconnected.Five torque-transmitting mechanisms comprise the first and second breaks and first, second, and third clutch.
According to a further aspect in the invention, these torque-transmitting mechanisms can optionally engage at least three modes that combine, thereby set up at least eight forward speed ratios and at least one reverse gear ratio between input link and output link.
According to a further aspect in the invention, this speed changer also comprises quill, a plurality of input link Sealing, the first annular pass, the second annular pass and the 3rd annular pass by the front support portion support of case of transmission.Annular pass by the internal surface of quill, the outer surface of input link and a plurality of input link Sealing limit.The first annular pass is communicated with the first port, and the second annular pass is communicated with the second port, and the 3rd annular pass is communicated with the second block fluid passage and the first blocking-up port of front support portion.
According to a further aspect in the invention, this speed changer also comprises a plurality of intermediate member Sealings, the 4th annular pass, the 5th annular pass and the 6th annular pass.Described annular pass by the outer surface of input link, the internal surface of jack shaft and a plurality of intermediate member Sealing limit.The 4th annular pass and first of intermediate member apply side ports and first and apply port and be communicated with, the first blocking-up side ports of the 5th annular pass and intermediate member and the second blocking-up port are communicated with, and the 6th annular pass and second of intermediate member apply side ports and second and apply port and be communicated with.
According to a further aspect in the invention, this speed changer also comprises hydraulic fluid pump, and it is fixed on case of transmission and with driving mode and is connected on torque-converters or motor.Hydraulic fluid pump provides the hydraulic fluid of pressurization to the hydraulic control system of speed changer.
According to a further aspect in the invention, this speed changer also comprises First Speed sensor cluster, second speed sensor cluster and third speed sensor cluster, and each speed sensor assembly all has and is fixed to the velocity transducer of case of transmission and is fixed at least one the velocity transducer ring in interconnecting component, input link and output link in rotatable mode.
According to a further aspect in the invention, First Speed sensor cluster has the First Speed sensor ring that is fixed to input link in rotatable mode, second speed sensor cluster has the second speed sensor ring that is fixed to the second interconnecting component in rotatable mode, and third speed sensor cluster has the third speed sensor ring that is fixed to output link in rotatable mode.
Scheme 1, a kind of multi-speed transmission, comprising:
Case of transmission, it has intermediate support portion and front support portion, described intermediate support portion comprises that first applies fluid passage, second and apply fluid passage, the 3rd and apply fluid passage and the first block fluid passage, and wherein said front support portion comprises that the 4th applies fluid passage and the second block fluid passage;
First, second, third and fourth planet gear train, each planetary gear set has first, second, and third member;
Five torque-transmitting mechanisms, each torque-transmitting mechanisms has the chamber of applying and piston, be used for optionally by described first, at least one in the second and the 3rd member and described first, at least another and described case of transmission in the second and the 3rd member interconnect, and wherein said first applies fluid passage and first first apply chamber and be communicated with in described five torque-transmitting mechanisms, described second applies fluid passage and first second apply chamber and be communicated with in described five torque-transmitting mechanisms, described the first block fluid passage is communicated with first the blocking-up chamber in described five torque-transmitting mechanisms, the described the 3rd applies fluid passage is communicated with the chamber that applies of second in described five torque-transmitting mechanisms, the described the 4th applies fluid passage is communicated with the chamber that applies of the 3rd in described five torque-transmitting mechanisms, and described the second block fluid passage is communicated with the blocking-up chamber of the 3rd in described five torque-transmitting mechanisms,
Input link, it is interconnected to the second component of described the second planetary gear set constantly, and described input link has: first, second, and third hole that is parallel to the longitudinal axis setting of described input link; The first port being communicated with described the first hole and the second port being communicated with described the 3rd hole; The the first and second blocking-up ports that are communicated with described the second hole; What be communicated with described the first hole first applies port; And be communicated with described the 3rd hole second apply port;
Output link, its constantly mutual connection at least one in the second component of described fourth planet gear train and the second component of described third planet gear train;
Intermediate member, it is fixed to the first member of described fourth planet gear train in rotatable mode, and described intermediate member has: the intermediate hole being communicated with the second hole of described input shaft; With in described five torque-transmitting mechanisms the 4th apply that chamber is communicated with first apply side ports; With in described five torque-transmitting mechanisms the 5th apply that chamber is communicated with second apply side ports; The the first blocking-up side ports being communicated with the blocking-up chamber of the 4th in described five torque-transmitting mechanisms; And the second blocking-up side ports being communicated with the blocking-up chamber of the 5th in described five torque-transmitting mechanisms and described intermediate hole;
The first member of the first member of described the first planetary gear set and described the second planetary gear set is continued to the first interconnecting component of interconnection;
The 3rd member of the second component of described the first planetary gear set and described fourth planet gear train is continued to the second interconnecting component of interconnection;
The first member of the 3rd member of described the second planetary gear set and described third planet gear train is continued to the 3rd interconnecting component of interconnection; And
The second component of the second component of described third planet gear train and described fourth planet gear train is continued to the 4th interconnecting component of interconnection.
Scheme 2, the multi-speed transmission as described in scheme 1, wherein:
First in described five torque-transmitting mechanisms can optionally engage that the 3rd member of described the first planetary gear set and stationary element are interconnected;
In described five torque-transmitting mechanisms second can optionally engage with by least one and the interconnection of described stationary element in the first member of the first member of described the first planetary gear set and described the second planetary gear set;
In described five torque-transmitting mechanisms the 3rd can optionally engage with by least one and the first member interconnection of described fourth planet gear train in the second component of described the second planetary gear set and described input link;
In described five torque-transmitting mechanisms the 4th can optionally engage with by least one and the first member interconnection of described fourth planet gear train in the first member of the 3rd member of described the second planetary gear set and described third planet gear train;
The 5th in described five torque-transmitting mechanisms can optionally engage that the first member of the 3rd member of described third planet gear train and described fourth planet gear train is interconnected; And
Wherein, described five torque-transmitting mechanisms comprise the first and second breaks and first, second, and third clutch.
Scheme 3, the multi-speed transmission as described in scheme 1, wherein, described torque-transmitting mechanisms can optionally engage at least three modes that combine, thereby sets up at least eight forward speed ratios and at least one reverse gear ratio between described input link and described output link.
Scheme 4, the multi-speed transmission as described in scheme 1, further comprise:
The quill being supported by the front support portion of described case of transmission;
A plurality of input link Sealings; And
The first annular pass, the second annular pass and the 3rd annular pass, wherein said annular pass by the internal surface of described quill, the outer surface of described input link and described a plurality of input link Sealing limit; And
Wherein, described the first annular pass is communicated with described the first port, and described the second annular pass is communicated with described the second port, and described the 3rd annular pass is communicated with the second block fluid passage and the described first blocking-up port of described front support portion.
Scheme 5, the multi-speed transmission as described in scheme 4, further comprise:
A plurality of intermediate member Sealings; And
The 4th annular pass, the 5th annular pass and the 6th annular pass, wherein said annular pass by the outer surface of described input link, the internal surface of described jack shaft and described a plurality of intermediate member Sealing limit; And
Wherein, described the 4th annular pass and first of described intermediate member apply side ports and described first and apply port and be communicated with, the first blocking-up side ports of described the 5th annular pass and described intermediate member and described the second blocking-up port are communicated with, and described the 6th annular pass and second of described intermediate member apply side ports and described second and apply port and be communicated with.
Scheme 6, the multi-speed transmission as described in scheme 1, further comprise hydraulic fluid pump, described hydraulic fluid pump is fixed on described case of transmission and with driving mode and is connected at least one in torque-converters and motor, and described hydraulic fluid pump provides the hydraulic fluid of pressurization to the hydraulic control system of described speed changer.
Scheme 7, the multi-speed transmission as described in scheme 1, further comprise First Speed sensor cluster, second speed sensor cluster and third speed sensor cluster, each speed sensor assembly all has and is fixed to the velocity transducer of described case of transmission and is fixed at least one the velocity transducer ring in described interconnecting component, described input link and described output link in rotatable mode.
Scheme 8, the multi-speed transmission as described in scheme 6, wherein, described First Speed sensor cluster has the First Speed sensor ring that is fixed to described input link in rotatable mode, described second speed sensor cluster has the second speed sensor ring that is fixed to described the second interconnecting component in rotatable mode, and described third speed sensor cluster has the third speed sensor ring that is fixed to described output link in rotatable mode.
Scheme 9, a kind of multi-speed transmission, comprising:
Case of transmission, it has intermediate support portion and front support portion, described intermediate support portion comprises that first applies fluid passage, second and apply fluid passage, the 3rd and apply fluid passage and the first block fluid passage, and wherein said front support portion comprises that the 4th applies fluid passage and the second block fluid passage;
First, second, third and fourth planet gear train, each planetary gear set has first, second, and third member;
Five torque-transmitting mechanisms, each torque-transmitting mechanisms has the chamber of applying and piston, be used for optionally by described first, at least one in the second and the 3rd member and described the first member, at least another and case of transmission in second component and the 3rd member interconnect, and wherein said first applies fluid passage and first first apply chamber and be communicated with in described five torque-transmitting mechanisms, described second applies fluid passage and first second apply chamber and be communicated with in described five torque-transmitting mechanisms, described the first block fluid passage is communicated with first the blocking-up chamber in described five torque-transmitting mechanisms, the described the 3rd applies fluid passage is communicated with the chamber that applies of second in described five torque-transmitting mechanisms, the described the 4th applies fluid passage is communicated with the chamber that applies of the 3rd in described five torque-transmitting mechanisms, and described the second block fluid passage is communicated with the blocking-up chamber of the 3rd in described five torque-transmitting mechanisms,
Input link, it continues to be connected to the second component of described the second planetary gear set;
Output link, it continues to be connected at least one in the second component of described fourth planet gear train and the second component of described third planet gear train;
Intermediate member, it is fixed to the first member of described fourth planet gear train in rotatable mode;
The first member of the first member of described the first planetary gear set and described the second planetary gear set is continued to the first interconnecting component of interconnection;
The 3rd member of the second component of described the first planetary gear set and described fourth planet gear train is continued to the second interconnecting component of interconnection;
The first member of the 3rd member of described the second planetary gear set and described third planet gear train is continued to the 3rd interconnecting component of interconnection; And
The second component of the second component of described third planet gear train and described fourth planet gear train is continued to the 4th interconnecting component of interconnection.
Scheme 10, the multi-speed transmission as described in scheme 9, wherein:
First in described five torque-transmitting mechanisms can optionally engage that the 3rd member of described the first planetary gear set and stationary element are interconnected;
In described five torque-transmitting mechanisms second can optionally engage with by least one and the interconnection of described stationary element in the first member of the first member of described the first planetary gear set and described the second planetary gear set;
In described five torque-transmitting mechanisms the 3rd can optionally engage with by least one and the first member interconnection of described fourth planet gear train in the second component of described the second planetary gear set and described input link;
In described five torque-transmitting mechanisms the 4th can optionally engage with by least one and the first member interconnection of described fourth planet gear train in the first member of the 3rd member of described the second planetary gear set and described third planet gear train;
The 5th in described five torque-transmitting mechanisms can optionally engage that the first member of the 3rd member of described third planet gear train and described fourth planet gear train is interconnected; And
Wherein, described five torque-transmitting mechanisms comprise the first and second breaks and first, second, and third clutch.
Scheme 11, the multi-speed transmission as described in scheme 9, wherein, described torque-transmitting mechanisms can optionally engage at least three modes that combine, thereby sets up at least eight forward speed ratios and at least one reverse gear ratio between described input link and described output link.
Scheme 12, the multi-speed transmission as described in scheme 9, further comprise:
The quill being supported by the front support portion of described case of transmission;
A plurality of input link Sealings; And
The first annular pass, the second annular pass and the 3rd annular pass, wherein said annular pass by the internal surface of described quill, the outer surface of described input link and described a plurality of input link Sealing limit;
Wherein, described input link also comprises: first, second, and third hole that is parallel to the longitudinal axis setting of described input link; The first port being communicated with described the first hole and the second port being communicated with described the 3rd hole; The the first and second blocking-up ports that are communicated with described the second hole; What be communicated with described the first hole first applies port; And be communicated with described the 3rd hole second apply port; And
Wherein, described the first annular pass is communicated with described the first port, and described the second annular pass is communicated with described the second port, and described the 3rd annular pass is communicated with the second block fluid passage and the described first blocking-up port of described front support portion.
Scheme 13, the multi-speed transmission as described in scheme 12, further comprise:
A plurality of intermediate member Sealings; And
The 4th annular pass, the 5th annular pass and the 6th annular pass, wherein said annular pass by the outer surface of described input link, the internal surface of described jack shaft and described a plurality of intermediate member Sealing limit;
Wherein, described intermediate member also comprises: the intermediate hole being communicated with the second hole of described input shaft; With in described five torque-transmitting mechanisms the 4th apply that chamber is communicated with first apply side ports; With the 5th of described five torque-transmitting mechanisms apply that chamber is communicated with second apply side ports; The the first blocking-up side ports being communicated with the blocking-up chamber of the 4th of described five torque-transmitting mechanisms; And the second blocking-up side ports being communicated with the blocking-up chamber of the 5th and the described intermediate hole of described five torque-transmitting mechanisms; And
Wherein, described the 4th annular pass and first of described intermediate member apply side ports and described first and apply port and be communicated with, the first blocking-up side ports of described the 5th annular pass and described intermediate member and described the second blocking-up port are communicated with, and described the 6th annular pass and second of described intermediate member apply side ports and described second and apply port and be communicated with.
Scheme 14, the multi-speed transmission as described in scheme 9, further comprise hydraulic fluid pump, described hydraulic fluid pump is fixed on described case of transmission and with driving mode and is connected at least one in torque-converters and motor, and described hydraulic fluid pump provides the hydraulic fluid of pressurization to the hydraulic control system of described speed changer.
Scheme 15, the multi-speed transmission as described in scheme 9, further comprise First Speed sensor cluster, second speed sensor cluster and third speed sensor cluster, each speed sensor assembly all has and is fixed to the velocity transducer of described case of transmission and is fixed at least one the velocity transducer ring in described interconnecting component, described input link and described output link in rotatable mode.
Scheme 16, the multi-speed transmission as described in scheme 15, wherein, described First Speed sensor cluster has the First Speed sensor ring that is fixed to described input link in rotatable mode, described second speed sensor cluster has the second speed sensor ring that is fixed to described the second interconnecting component in rotatable mode, and described third speed sensor cluster has the third speed sensor ring that is fixed to described output link in rotatable mode.
Scheme 17, a kind of multi-speed transmission, comprising:
Case of transmission, it has intermediate support portion and front support portion, described intermediate support portion comprises that first applies fluid passage, second and apply fluid passage, the 3rd and apply fluid passage and the first block fluid passage, and wherein said front support portion comprises that the 4th applies fluid passage and the second block fluid passage;
First, second, third and fourth planet gear train, each planetary gear set has first, second, and third member;
Five torque-transmitting mechanisms, each torque-transmitting mechanisms has the chamber of applying and piston, be used for optionally by described first, at least one in the second and the 3rd member and described the first member, at least another and described case of transmission in second component and the 3rd member interconnect, and wherein said first applies fluid passage and first first apply chamber and be communicated with in described five torque-transmitting mechanisms, described second applies fluid passage and first second apply chamber and be communicated with in described five torque-transmitting mechanisms, described the first block fluid passage is communicated with first the blocking-up chamber in described five torque-transmitting mechanisms, the described the 3rd applies fluid passage is communicated with the chamber that applies of second in described five torque-transmitting mechanisms, the described the 4th applies fluid passage is communicated with the chamber that applies of the 3rd in described five torque-transmitting mechanisms, and described the second block fluid passage is communicated with the blocking-up chamber of the 3rd in described five torque-transmitting mechanisms,
Input link, it continues to be connected to the second component of described the second planetary gear set;
Output link, it continues to be connected at least one in the second component of described fourth planet gear train and the second component of described third planet gear train;
Intermediate member, it is fixed to the first member of described fourth planet gear train in rotatable mode;
Hydraulic fluid pump, it is fixed on described case of transmission and with driving mode and is connected at least one in torque-converters and motor, and described hydraulic fluid pump provides the hydraulic fluid of pressurization to the hydraulic control system of described speed changer;
The first member of the first member of described the first planetary gear set and described the second planetary gear set is continued to the first interconnecting component of interconnection;
The 3rd member of the second component of described the first planetary gear set and described fourth planet gear train is continued to the second interconnecting component of interconnection;
The first member of the 3rd member of described the second planetary gear set and described third planet gear train is continued to the 3rd interconnecting component of interconnection; And
The second component of the second component of described third planet gear train and described fourth planet gear train is continued to the 4th interconnecting component of interconnection;
First Speed sensor cluster, second speed sensor cluster and third speed sensor cluster, wherein said First Speed sensor cluster has the First Speed sensor ring that is fixed to described input link in rotatable mode, described second speed sensor cluster has the second speed sensor ring that is fixed to described the second interconnecting component in rotatable mode, and described third speed sensor cluster has the third speed sensor ring that is fixed to described output link in rotatable mode.
Scheme 18, the multi-speed transmission as described in scheme 17, wherein:
First in described five torque-transmitting mechanisms can optionally engage that the 3rd member of described the first planetary gear set and stationary element are interconnected;
In described five torque-transmitting mechanisms second can optionally engage with by least one and the interconnection of described stationary element in the first member of the first member of described the first planetary gear set and described the second planetary gear set;
In described five torque-transmitting mechanisms the 3rd can optionally engage with by least one and the first member interconnection of described fourth planet gear train in the second component of described the second planetary gear set and described input link;
In described five torque-transmitting mechanisms the 4th can optionally engage with by least one and the first member interconnection of described fourth planet gear train in the first member of the 3rd member of described the second planetary gear set and described third planet gear train;
The 5th in described five torque-transmitting mechanisms can optionally engage that the first member of the 3rd member of described third planet gear train and described fourth planet gear train is interconnected; And
Wherein, described five torque-transmitting mechanisms comprise the first and second breaks and first, second, and third clutch; And
Wherein, described torque-transmitting mechanisms can optionally engage at least three modes that combine, thereby sets up at least eight forward speed ratios and at least one reverse gear ratio between described input link and described output link.
Scheme 19, the multi-speed transmission as described in scheme 17, further comprise:
The quill being supported by the front support portion of described case of transmission;
A plurality of input link Sealings; And
The first annular pass, the second annular pass and the 3rd annular pass, wherein said annular pass by the internal surface of described quill, the outer surface of described input link and described a plurality of input link Sealing limit;
Wherein, described input link also comprises: first, second, and third hole that is parallel to the longitudinal axis setting of described input link; The first port being communicated with described the first hole and the second port being communicated with described the 3rd hole; The the first and second blocking-up ports that are communicated with described the second hole; What be communicated with described the first hole first applies port; And be communicated with described the 3rd hole second apply port; And
Wherein, described the first annular pass is communicated with described the first port, and described the second annular pass is communicated with described the second port, and described the 3rd annular pass is communicated with the second block fluid passage and the described first blocking-up port of described front support portion.
Scheme 20, the multi-speed transmission as described in scheme 19, further comprise:
A plurality of intermediate member Sealings; And
The 4th annular pass, the 5th annular pass and the 6th annular pass, wherein said annular pass by the outer surface of described input link, the internal surface of described jack shaft and described a plurality of intermediate member Sealing limit;
Wherein, described intermediate member also comprises: the intermediate hole being communicated with the second hole of described input link; With in described five torque-transmitting mechanisms the 4th apply that chamber is communicated with first apply side ports; With in described five torque-transmitting mechanisms the 5th apply that chamber is communicated with second apply side ports; The the first blocking-up side ports being communicated with the blocking-up chamber of the 4th in described five torque-transmitting mechanisms; And the second blocking-up side ports being communicated with the blocking-up chamber of the 5th in described five torque-transmitting mechanisms and described intermediate hole; And
Wherein, described the 4th annular pass and first of described intermediate member apply side ports and described first and apply port and be communicated with, the first blocking-up side ports of described the 5th annular pass and described intermediate member and described the second blocking-up port are communicated with, and described the 6th annular pass and second of described intermediate member apply side ports and described second and apply port and be communicated with.
By reference to description and accompanying drawing below, it is clear that further aim of the present invention, aspect and advantage will become, and similarly reference character refers to identical parts, element or feature in the accompanying drawings.
Accompanying drawing explanation
Accompanying drawing described herein is only used to task of explanation, is not intended to limit the scope of the invention by any way.
Fig. 1 is according to the schematic diagram of eight gear gearboxes of the present invention mode of execution;
Fig. 2 A is the cross-sectional view of input shaft and axle or interconnecting component, shows according to the fluid passage system of eight gear gearboxes of an embodiment of the invention;
Fig. 2 B is the cross-sectional view along the input shaft of the line 2B-2B intercepting in Fig. 2 A;
Fig. 3 A is the cross-sectional view of input shaft and axle or interconnecting component, shows according to the fluid passage system of eight gear gearboxes of an embodiment of the invention, and the cross section that wherein this cross section intercepts in Fig. 2 A rotates 120 ° vertically;
Fig. 3 B is the cross-sectional view along the input shaft of the line 3B-3B intercepting in Fig. 3 A;
Fig. 4 shows for the schematic diagram of the velocity transducer position of intermediate speed sensor is set; And
Fig. 5 is according to the schematic diagram of eight gear gearboxes of the present invention mode of execution, shows the hydraulic fluid pump of an off-axis;
Embodiment
Description is below only exemplary in essence, is not intended to limit invention, its application, or uses.
With reference now to accompanying drawing,, wherein similarly reference character refers to similar parts, figure 1 illustrates multi-speed transmission 10.Speed changer 10 comprises input link 12 and output link 14.In this mode of execution, input link 12 and output link 14 are axles, and will be described like this.It will be understood to those of skill in the art that input and output member 12,14 can be the miscellaneous part outside axle.Input shaft 12 is connected to motor (not shown) or torque-converters 11 constantly.Output shaft 14 is connected to main reducing gear unit or transfer case (not shown) constantly.
In a preferred embodiment of the present invention, speed changer 10 comprises four planetary gear set 16,18,20 and 22.Planetary gear set 16,18,20 and 22 is connected between input shaft 12 and output shaft 14.
The first planetary gear set 16 comprises sun gear member 24, gear ring member 26 and in rotatable mode, supports the carrier member 28 of one group of planetary pinion 30.Sun gear member 24 is connected to the first axle or interconnecting component 32 so that rotation jointly.Gear ring member 26 is connected to the second axle or interconnecting component 34 so that rotation jointly.Carrier member 28 is connected to the 3rd axle or member 36 so that rotation jointly.Each is all configured to planetary pinion 30 and sun gear member 24 and 26 engagements of gear ring member.
The second planetary gear set 18 comprises sun gear member 42, gear ring member 44 and in rotatable mode, supports the carrier member 46 of one group of planetary pinion 48.Sun gear member 42 is connected to the first axle or interconnecting component 32 so that rotation jointly.Gear ring member 44 is connected to the 4th axle or interconnecting component 50 so that rotation jointly.Carrier member 46 is connected to input shaft 12 so that rotation jointly.Each is all configured to planetary pinion 48 and sun gear member 42 and 44 engagements of gear ring member.
Third planet gear train 20 comprises sun gear member 52, gear ring member 54 and in rotatable mode, supports the carrier member 56 of one group of planetary pinion 58.Sun gear member 52 is connected to the 4th axle or interconnecting component 50 so that rotation jointly.Gear ring member 54 is connected to the 5th axle or interconnecting component 60 so that rotation jointly.Carrier member 56 is connected to the 6th axle or interconnecting component 62 so that rotation jointly.Each is all configured to planetary pinion 58 and sun gear member 52 and 54 engagements of gear ring member.
Fourth planet gear train 22 comprises sun gear member 72, gear ring member 74 and in rotatable mode, supports the carrier member 76 of one group of planetary pinion 78.Sun gear member 72 is connected to the 7th axle or interconnecting component 64 so that rotation jointly.Gear ring member 74 is connected to the 3rd axle or interconnecting component 36 so that rotation jointly.Carrier member 76 is connected to output shaft 14 and the 6th axle or interconnecting component 62 so that rotation jointly.Each is all configured to planetary pinion 78 and sun gear member 72 and 74 engagements of gear ring member.
Speed changer 10 comprises a plurality of torque-transmitting mechanisms or device, thereby allows member and the case of transmission 100 of joining shaft optionally or interconnecting component, planetary gear set.More specifically, speed changer 10 comprises first clutch 80, second clutch 82, the 3rd clutch 84, the first break 90 and second brake 92.For example, first clutch 80 can optionally engage that the 7th axle or interconnecting component 64 are connected to input shaft 12.Second clutch 82 can optionally engage that the 7th axle or interconnecting component 64 are connected to the 4th axle or interconnecting component 50.The 3rd clutch 84 can optionally engage that the 5th axle or interconnecting component 60 are connected to the 7th axle or interconnecting component 64.Thereby the first break 90 can optionally engage the second axle or interconnecting component 34 are connected to case of transmission 100 and limit the second axle or interconnecting component 34 with respect to the rotation of case of transmission 100.Thereby second brake 92 can optionally engage the first axle or interconnecting component 32 are connected to case of transmission 100 and limit the first axle or interconnecting component 32 with respect to the rotation of case of transmission 100.
Speed changer 10 can be delivered to output shaft 14 by moment of torsion from input shaft 12 with at least eight forward gears torque ratios and a reverse gear torque ratio.Each in forward gears torque ratio and reverse gear torque ratio obtains by engaging one or more torque-transmitting mechanisms (being first clutch 80, second clutch 82, the 3rd clutch 84, the first break 90 and second brake 92).The person skilled in the art will easily understand, different speed ratios is associated with each torque ratio.Thus, by speed changer 10, can obtain at least eight forward speed ratios and at least one reverse gear ratio.
Continuation is with reference to figure 1, will describe break 90,92 and clutch 80,82,84 along input shaft 12 and with respect to the position of planetary gear set 16,18,20,22 now.The first and second breaks 90,92 and input shaft 12 coaxially arrange, and the first break 90 is arranged on the rear side of second brake 92 vertically.Torque-converters 11 is arranged on the front end 10A place of speed changer 10.The first and second breaks 90,92 are supported by the intermediate support assembly 101 of case of transmission 100.Intermediate support assembly 101 is between the second planetary gear set 18 and the first planetary gear set 16.The first break 90 comprises actuating assembly 90A and clutch pack 90B.The actuating assembly 90A of the first break 90 comprises that brake plunger 104, first applies chamber 102, second and applies chamber 106 and blocking-up chamber 110.The clutch pack 90B of break 90 comprises a plurality of clutch plates 107 that are fixed to intermediate support portion 101.When applying chamber 102,106 pressurization, force brake plunger 104 by clutch plate 107 and the second axle or interconnecting component 34 joints.Second brake 92 comprises actuating assembly 92A and clutch pack 92B.The actuating assembly 92A of second brake 92 comprises brake plunger 114, applies chamber 112 and spring 120.The clutch pack 92B of break 92 comprises a plurality of clutch plates 109 that are fixed to intermediate support portion 101.When applying chamber 122 pressurization, force brake plunger 114 by clutch plate 109 and the first axle or interconnecting component 32 joints.
The intermediate support portion 101 of case of transmission 100 also comprises that first applies fluid passage 102A, second and apply fluid passage 106A, the 3rd and apply fluid passage 112A and the first block fluid passage 110A.First applies fluid passage 102A applies chamber 102 with first of the first break 90 and is communicated with.Second applies fluid passage 106A applies chamber 106 with second of the first break 90 and is communicated with.The first block fluid passage 110A is communicated with the blocking-up chamber 110 of the first break 90.The 3rd applies fluid passage 112A is communicated with the chamber 112 that applies of second brake 92.
First, second, and third clutch 80,82,84 and input shaft 12 coaxially arrange.First clutch 80, second clutch 82 and the 3rd clutch 84 are arranged between the antetheca 103 and third planet gear train 20 of case of transmission 100.More specifically, first clutch 80 is in abutting connection with antetheca 103, the three clutches 84 in abutting connection with third planet gear train 20, and second clutch 82 is arranged between the first and the 3rd clutch 80,84.
First clutch 80 comprises actuating assembly 80A and clutch pack 80B.The actuating assembly 80A of first clutch 80 comprises and applies chamber 130, blocking-up chamber 132 and piston 134.Actuating assembly 80A is supported by input shaft 12 and is fixed to input shaft 12 in rotatable mode.Clutch pack 80B comprises a plurality of friction disks that replace or ring.Thereby the piston of actuating assembly 80A 134 engaging clutch group 80B urge together a plurality of friction disks that replace with by the planet carrier member 46 of the second planetary gear set 18 and input shaft 12 and the 7th axle or interconnecting component 64 interconnection.
Second clutch 82 comprises actuating assembly 82A and clutch pack 82B.The actuating assembly 82A of second clutch 82 comprises and applies chamber 140, blocking-up chamber 142 and piston 144.Actuating assembly 82A is by the 7th axle or interconnecting component 64 rigid support.Clutch pack 82B comprises a plurality of friction disks that replace or ring.The piston 144 engaging clutch group 82B of actuating assembly 82A are with by the 7th axle or interconnecting component 64 and the 4th axle or interconnecting component 50 interconnection.
The 3rd clutch 84 comprises actuating assembly 84A and clutch pack 84B.The actuating assembly 84A of the 3rd clutch 84 comprises and applies chamber 150, blocking-up chamber 152 and piston 154.Actuating assembly 84A is by the 7th axle or interconnecting component 64 rigid support.Clutch pack 84B comprises a plurality of friction disks that replace or ring.The piston 154 engaging clutch group 84B of actuating assembly 84A are with by the 7th axle or interconnecting component 64 and the 5th axle or interconnecting component 60 interconnection.
Referring now to Fig. 2 A, 2B, 3A and 3B, there is shown the cross-sectional view of input shaft 12 and the 7th axle or interconnecting component 64, in figure, drawn the hydraulic control circuit 200 according to an embodiment of the invention.Hydraulic control circuit 200 comprises the hydraulic fluid being pressurizeed by hydraulic fluid pump (not shown) and produces hydraulic control signal to activate first, second, and third clutch 80,82,84 and the first and second breaks 90,92 (Fig. 1).Hydraulic control circuit 200 comprises three holes that are arranged on input shaft 12: the first hole 201, the second hole 220 and the 3rd hole 301.In one aspect of the invention, first, second, and third hole 201,220,301 longitudinally arranges in input shaft 12.Each hole 201,220,301 is set to and 120 °, 201,220,301 interval, adjacent hole, as shown in Fig. 2 B and 3B.Hydraulic control circuit 200 also comprises three annular passs 202,222,302 that formed by quill 180, input shaft 12 and a plurality of output shaft Sealing 182A-C.Quill 180 is fixedly attached to the front support portion 105 of case of transmission 100.The first annular pass 202 by the outer surface of input shaft 12, the side surface of the internal surface of quill 180 and the first sealing part of input shaft 182A and the second sealing part of input shaft 182B limit.The second annular pass 222 by the outer surface of input shaft 12, the side surface of the internal surface of quill 180 and the second sealing part of input shaft 182B and the 3rd sealing part of input shaft 182C limit.The 3rd annular pass 302 by the outer surface of input shaft 12, the side surface of the internal surface of quill 180 and the 3rd sealing part of input shaft 182C and Sealing 184A limit.
Oil hydraulic circuit 200 also comprises that the 4th in the front support portion 105 that is contained in case of transmission 100 applies fluid passage 107 and the second block fluid passage 113.The 3rd applies fluid passage 107 is communicated with (seeing Fig. 1) with the chamber 130 that applies of first clutch 80.The second block fluid passage 113 is communicated with blocking-up chamber 132 (seeing Fig. 1) and the 3rd annular pass 302 of first clutch 80.
Three sealing part of input shaft 182A-C arrange and the first end 12A of sealing input shaft 12 with input shaft 12 is coaxial between quill 180 and input shaft 12.The first and second annular passs 202,222 are communicated with the first and the 3rd hole 201 and 301 by the first and the 3rd port 204,304 being formed in the first end 12A of input shaft 12 respectively.
The first hole 201 comprise be fixedly installed on input shaft 12 the second end 12B place in order to seal first connector 246 in the first hole 201.The first hole 201 applies first of port 206, the 4th annular pass 206A and the 7th axle or interconnecting component 64 by first of input shaft 12 and applies side ports 326 and be communicated with the chamber 140 (seeing Fig. 1) that applies of second clutch 82.The 4th annular pass 206A is formed by the internal surface of outer surface, the 7th axle or interconnecting component 64 and the side surface of the first and second mid seal 184A, 184B of input shaft 12.
The second hole 220 is communicated with the second block fluid passage 113 by the first blocking-up port 207 and the 3rd annular pass 302.The second hole 220 is also communicated with (seeing Fig. 1) by the first blocking-up side ports 328 of the second blocking-up port 208, the 5th annular pass 209 and the 7th axle or interconnecting component 64 with the blocking-up chamber 142 of second clutch 82.The 5th annular pass 209 is formed by the internal surface of outer surface, the 7th axle or the interconnecting component 64 of input shaft 12 and the side surface of the second and the 3rd mid seal 184A, 184C.The second hole 220 is open at the second end 12B of input shaft 12, thereby is communicated with the intermediate hole 64A in being arranged on the 7th axle or interconnecting component 64.The 7th axle or interconnecting component 64 comprise the second blocking-up side ports 64B (seeing Fig. 1) being communicated with the blocking-up chamber 152 of intermediate hole 64A and the 3rd clutch 84.
The 3rd hole 301 comprise be fixedly installed on input shaft 12 the second end 12B place in order to seal second connector 248 in the 3rd hole 301.The 3rd hole 301 applies second of port 306, the 6th annular pass 332 and the 7th axle or interconnecting component 64 by second of input shaft 12 and applies side ports 330 and be communicated with (seeing Fig. 1) with the chamber 150 that applies of the 3rd clutch 84.The 6th annular pass 332 is formed by the internal surface of outer surface, the 7th axle or interconnecting component 64 and the side surface of the third and fourth mid seal 184C, 184D of input shaft 12.
Referring now to Fig. 4, Fig. 4 shows the cross-sectional view of speed changer 10, there is shown the position for three speed sensor assemblies 410,420,430.Velocity transducer 412,422,432 is fixedly attached to case of transmission 100.Velocity transducer the 412,422, the 432nd, traditional velocity transducer, such as hall effect sensor or variable-reluctance transducer etc.Velocity transducer ring 414,424,434 next-door neighbour's velocity transducers 412,422,432 and be fixedly attached to the rotatable shaft of speed changer 10 or member in one.Velocity transducer 412,422,432 detects the existence of each velocity transducer ring 414,424,434 with the revolution of computational speed sensor ring 414,424,434 axles that connected or interconnecting component.Alternatively, velocity transducer ring 414,424,434 is formed in rotatable shaft or the magnetic stripe in member of speed changer 10 or has the tooth portion of the axle of magnetic material.
For example, First Speed sensor 412 is fixedly attached to case of transmission 100, and First Speed sensor ring 414 is arranged on input shaft 12 regularly.Second speed sensor 422 is arranged on case of transmission 100 regularly, and second speed sensor ring 424 is arranged on the 3rd axle or member 36 regularly.Third speed sensor 432 is arranged on case of transmission 100 regularly, and third speed sensor ring 434 is arranged on output shaft 14 regularly.
Referring now to Fig. 5, there is shown the cross section of the speed changer 10 that comprises an off-axis fluid pump assemblies 500, now will be described.Off-axis fluid pump assemblies 500 comprises transmission fluid pump 502, actuation gear or belt wheel member 504, driven gear or belt wheel member 506, pump shaft 508 and chain or belt 510.Transmission fluid pump 502 is fixedly attached to case of transmission 100 or similar static component along the axis " I " of the axis from input shaft 12 " i " biasing predetermined radial distance " d ".Actuation gear or belt wheel member 504 are fixedly attached to torque-converters 11 so that rotation jointly.Driven gear or belt wheel member 506 are fixedly connected to pump shaft 508 so that rotation jointly.Chain or belt 510 engages drive gears or belt wheel member 504 and driven gear or belt wheel member 506 are to be delivered to pump shaft 508 by driving torque from input shaft 12.Pump shaft 508 is delivered to fluid pump 502 by the driving torque producing in chain or belt 510.Between actuation gear or belt wheel member 504 and driven gear or belt wheel member 506, can use ladder ratio to reduce the quantity of the energy that is delivered to transmission fluid pump 502, make thus speed changer 10 more efficient.Fluid pump assemblies 500 is provided for hydrodynamic pressure and the liquid stream of the function of speed changer 10.With ratio driven fluid pump assembly 500, make speed changer 10 that hydrodynamic pressure and liquid stream can be provided more efficiently.
The description of this invention is only exemplary in essence, and the modification that does not deviate from purport of the present invention will fall within the scope of the present invention.These modification should not be regarded as having departed from the spirit and scope of the present invention.

Claims (18)

1. a multi-speed transmission, comprising:
Case of transmission, it has intermediate support portion and front support portion, described intermediate support portion comprises that first applies fluid passage, second and apply fluid passage, the 3rd and apply fluid passage and the first block fluid passage, and wherein said front support portion comprises that the 4th applies fluid passage and the second block fluid passage;
First, second, third and fourth planet gear train, each planetary gear set has first, second, and third member;
Five torque-transmitting mechanisms, each torque-transmitting mechanisms has the chamber of applying and piston, be used for optionally by described first, at least one in the second and the 3rd member and described first, at least another and described case of transmission in the second and the 3rd member interconnect, and wherein said first applies fluid passage and first first apply chamber and be communicated with in described five torque-transmitting mechanisms, described second applies fluid passage and first second apply chamber and be communicated with in described five torque-transmitting mechanisms, described the first block fluid passage is communicated with first the blocking-up chamber in described five torque-transmitting mechanisms, the described the 3rd applies fluid passage is communicated with the chamber that applies of second in described five torque-transmitting mechanisms, the described the 4th applies fluid passage is communicated with the chamber that applies of the 3rd in described five torque-transmitting mechanisms, and described the second block fluid passage is communicated with the blocking-up chamber of the 3rd in described five torque-transmitting mechanisms,
Input link, it is interconnected to the second component of described the second planetary gear set constantly, and described input link has: first, second, and third hole that is parallel to the longitudinal axis setting of described input link; The first port being communicated with described the first hole and the second port being communicated with described the 3rd hole; The the first and second blocking-up ports that are communicated with described the second hole; What be communicated with described the first hole first applies port; And be communicated with described the 3rd hole second apply port;
Output link, its constantly mutual connection at least one in the second component of described fourth planet gear train and the second component of described third planet gear train;
Intermediate member, it is fixed to the first member of described fourth planet gear train in rotatable mode, and described intermediate member has: the intermediate hole being communicated with the second hole of described input link; With in described five torque-transmitting mechanisms the 4th apply that chamber is communicated with first apply side ports; With in described five torque-transmitting mechanisms the 5th apply that chamber is communicated with second apply side ports; The the first blocking-up side ports being communicated with the blocking-up chamber of the 4th in described five torque-transmitting mechanisms; And the second blocking-up side ports being communicated with the blocking-up chamber of the 5th in described five torque-transmitting mechanisms and described intermediate hole;
The first member of the first member of described the first planetary gear set and described the second planetary gear set is continued to the first interconnecting component of interconnection;
The 3rd member of the second component of described the first planetary gear set and described fourth planet gear train is continued to the second interconnecting component of interconnection;
The first member of the 3rd member of described the second planetary gear set and described third planet gear train is continued to the 3rd interconnecting component of interconnection; And
The second component of the second component of described third planet gear train and described fourth planet gear train is continued to the 4th interconnecting component of interconnection,
Wherein, first in described five torque-transmitting mechanisms can optionally engage that the 3rd member of described the first planetary gear set and stationary element are interconnected;
In described five torque-transmitting mechanisms second can optionally engage with by least one and the interconnection of described stationary element in the first member of the first member of described the first planetary gear set and described the second planetary gear set;
In described five torque-transmitting mechanisms the 3rd can optionally engage with by least one and the first member interconnection of described fourth planet gear train in the second component of described the second planetary gear set and described input link;
In described five torque-transmitting mechanisms the 4th can optionally engage with by least one and the first member interconnection of described fourth planet gear train in the first member of the 3rd member of described the second planetary gear set and described third planet gear train;
The 5th in described five torque-transmitting mechanisms can optionally engage that the first member of the 3rd member of described third planet gear train and described fourth planet gear train is interconnected; And
Wherein, first and second in described five torque-transmitting mechanisms is break, and in described five torque-transmitting mechanisms the 3rd, the 4th and the 5th is clutch,
Wherein, described first, second, third and the first member of fourth planet gear train be sun gear member, described first, second, third and the second component of fourth planet gear train be carrier member, and described first, second, third and the 3rd member of fourth planet gear train be gear ring member.
2. multi-speed transmission as claimed in claim 1, wherein, described torque-transmitting mechanisms can optionally engage at least three modes that combine, thereby sets up at least eight forward speed ratios and at least one reverse gear ratio between described input link and described output link.
3. multi-speed transmission as claimed in claim 1, further comprises:
The quill being supported by the front support portion of described case of transmission;
A plurality of input link Sealings; And
The first annular pass, the second annular pass and the 3rd annular pass, wherein said annular pass by the internal surface of described quill, the outer surface of described input link and described a plurality of input link Sealing limit; And
Wherein, described the first annular pass is communicated with described the first port, and described the second annular pass is communicated with described the second port, and described the 3rd annular pass is communicated with the second block fluid passage and the described first blocking-up port of described front support portion.
4. multi-speed transmission as claimed in claim 3, further comprises:
A plurality of intermediate member Sealings; And
The 4th annular pass, the 5th annular pass and the 6th annular pass, wherein said annular pass by the outer surface of described input link, the internal surface of described intermediate member and described a plurality of intermediate member Sealing limit; And
Wherein, described the 4th annular pass and first of described intermediate member apply side ports and described first and apply port and be communicated with, the first blocking-up side ports of described the 5th annular pass and described intermediate member and described the second blocking-up port are communicated with, and described the 6th annular pass and second of described intermediate member apply side ports and described second and apply port and be communicated with.
5. multi-speed transmission as claimed in claim 1, further comprise hydraulic fluid pump, described hydraulic fluid pump is fixed on described case of transmission and with driving mode and is connected at least one in torque-converters and motor, and described hydraulic fluid pump provides the hydraulic fluid of pressurization to the hydraulic control system of described speed changer.
6. multi-speed transmission as claimed in claim 1, further comprise First Speed sensor cluster, second speed sensor cluster and third speed sensor cluster, each speed sensor assembly all has and is fixed to the velocity transducer of described case of transmission and is fixed at least one the velocity transducer ring in described interconnecting component, described input link and described output link in rotatable mode.
7. multi-speed transmission as claimed in claim 6, wherein, described First Speed sensor cluster has the First Speed sensor ring that is fixed to described input link in rotatable mode, described second speed sensor cluster has the second speed sensor ring that is fixed to described the second interconnecting component in rotatable mode, and described third speed sensor cluster has the third speed sensor ring that is fixed to described output link in rotatable mode.
8. a multi-speed transmission, comprising:
Case of transmission, it has intermediate support portion and front support portion, described intermediate support portion comprises that first applies fluid passage, second and apply fluid passage, the 3rd and apply fluid passage and the first block fluid passage, and wherein said front support portion comprises that the 4th applies fluid passage and the second block fluid passage;
First, second, third and fourth planet gear train, each planetary gear set has first, second, and third member;
Five torque-transmitting mechanisms, each torque-transmitting mechanisms has the chamber of applying and piston, be used for optionally by described first, at least one in the second and the 3rd member and described the first member, at least another and case of transmission in second component and the 3rd member interconnect, and wherein said first applies fluid passage and first first apply chamber and be communicated with in described five torque-transmitting mechanisms, described second applies fluid passage and first second apply chamber and be communicated with in described five torque-transmitting mechanisms, described the first block fluid passage is communicated with first the blocking-up chamber in described five torque-transmitting mechanisms, the described the 3rd applies fluid passage is communicated with the chamber that applies of second in described five torque-transmitting mechanisms, the described the 4th applies fluid passage is communicated with the chamber that applies of the 3rd in described five torque-transmitting mechanisms, and described the second block fluid passage is communicated with the blocking-up chamber of the 3rd in described five torque-transmitting mechanisms,
Input link, it continues to be connected to the second component of described the second planetary gear set;
Output link, it continues to be connected at least one in the second component of described fourth planet gear train and the second component of described third planet gear train;
Intermediate member, it is fixed to the first member of described fourth planet gear train in rotatable mode;
The first member of the first member of described the first planetary gear set and described the second planetary gear set is continued to the first interconnecting component of interconnection;
The 3rd member of the second component of described the first planetary gear set and described fourth planet gear train is continued to the second interconnecting component of interconnection;
The first member of the 3rd member of described the second planetary gear set and described third planet gear train is continued to the 3rd interconnecting component of interconnection; And
The second component of the second component of described third planet gear train and described fourth planet gear train is continued to the 4th interconnecting component of interconnection,
Wherein, first in described five torque-transmitting mechanisms can optionally engage that the 3rd member of described the first planetary gear set and stationary element are interconnected;
In described five torque-transmitting mechanisms second can optionally engage with by least one and the interconnection of described stationary element in the first member of the first member of described the first planetary gear set and described the second planetary gear set;
In described five torque-transmitting mechanisms the 3rd can optionally engage with by least one and the first member interconnection of described fourth planet gear train in the second component of described the second planetary gear set and described input link;
In described five torque-transmitting mechanisms the 4th can optionally engage with by least one and the first member interconnection of described fourth planet gear train in the first member of the 3rd member of described the second planetary gear set and described third planet gear train;
The 5th in described five torque-transmitting mechanisms can optionally engage that the first member of the 3rd member of described third planet gear train and described fourth planet gear train is interconnected; And
Wherein, first and second in described five torque-transmitting mechanisms is break, and in described five torque-transmitting mechanisms the 3rd, the 4th and the 5th is clutch,
Wherein, described first, second, third and the first member of fourth planet gear train be sun gear member, described first, second, third and the second component of fourth planet gear train be carrier member, and described first, second, third and the 3rd member of fourth planet gear train be gear ring member.
9. multi-speed transmission as claimed in claim 8, wherein, described torque-transmitting mechanisms can optionally engage at least three modes that combine, thereby sets up at least eight forward speed ratios and at least one reverse gear ratio between described input link and described output link.
10. multi-speed transmission as claimed in claim 8, further comprises:
The quill being supported by the front support portion of described case of transmission;
A plurality of input link Sealings; And
The first annular pass, the second annular pass and the 3rd annular pass, wherein said annular pass by the internal surface of described quill, the outer surface of described input link and described a plurality of input link Sealing limit;
Wherein, described input link also comprises: first, second, and third hole that is parallel to the longitudinal axis setting of described input link; The first port being communicated with described the first hole and the second port being communicated with described the 3rd hole; The the first and second blocking-up ports that are communicated with described the second hole; What be communicated with described the first hole first applies port; And be communicated with described the 3rd hole second apply port; And
Wherein, described the first annular pass is communicated with described the first port, and described the second annular pass is communicated with described the second port, and described the 3rd annular pass is communicated with the second block fluid passage and the described first blocking-up port of described front support portion.
11. multi-speed transmissions as claimed in claim 10, further comprise:
A plurality of intermediate member Sealings; And
The 4th annular pass, the 5th annular pass and the 6th annular pass, wherein said annular pass by the outer surface of described input link, the internal surface of described intermediate member and described a plurality of intermediate member Sealing limit;
Wherein, described intermediate member also comprises: the intermediate hole being communicated with the second hole of described input link; With in described five torque-transmitting mechanisms the 4th apply that chamber is communicated with first apply side ports; With the 5th of described five torque-transmitting mechanisms apply that chamber is communicated with second apply side ports; The the first blocking-up side ports being communicated with the blocking-up chamber of the 4th of described five torque-transmitting mechanisms; And the second blocking-up side ports being communicated with the blocking-up chamber of the 5th and the described intermediate hole of described five torque-transmitting mechanisms; And
Wherein, described the 4th annular pass and first of described intermediate member apply side ports and described first and apply port and be communicated with, the first blocking-up side ports of described the 5th annular pass and described intermediate member and described the second blocking-up port are communicated with, and described the 6th annular pass and second of described intermediate member apply side ports and described second and apply port and be communicated with.
12. multi-speed transmissions as claimed in claim 8, further comprise hydraulic fluid pump, described hydraulic fluid pump is fixed on described case of transmission and with driving mode and is connected at least one in torque-converters and motor, and described hydraulic fluid pump provides the hydraulic fluid of pressurization to the hydraulic control system of described speed changer.
13. multi-speed transmissions as claimed in claim 8, further comprise First Speed sensor cluster, second speed sensor cluster and third speed sensor cluster, each speed sensor assembly all has and is fixed to the velocity transducer of described case of transmission and is fixed at least one the velocity transducer ring in described interconnecting component, described input link and described output link in rotatable mode.
14. multi-speed transmissions as claimed in claim 13, wherein, described First Speed sensor cluster has the First Speed sensor ring that is fixed to described input link in rotatable mode, described second speed sensor cluster has the second speed sensor ring that is fixed to described the second interconnecting component in rotatable mode, and described third speed sensor cluster has the third speed sensor ring that is fixed to described output link in rotatable mode.
15. 1 kinds of multi-speed transmissions, comprising:
Case of transmission, it has intermediate support portion and front support portion, described intermediate support portion comprises that first applies fluid passage, second and apply fluid passage, the 3rd and apply fluid passage and the first block fluid passage, and wherein said front support portion comprises that the 4th applies fluid passage and the second block fluid passage;
First, second, third and fourth planet gear train, each planetary gear set has first, second, and third member;
Five torque-transmitting mechanisms, each torque-transmitting mechanisms has the chamber of applying and piston, be used for optionally by described first, at least one in the second and the 3rd member and described the first member, at least another and described case of transmission in second component and the 3rd member interconnect, and wherein said first applies fluid passage and first first apply chamber and be communicated with in described five torque-transmitting mechanisms, described second applies fluid passage and first second apply chamber and be communicated with in described five torque-transmitting mechanisms, described the first block fluid passage is communicated with first the blocking-up chamber in described five torque-transmitting mechanisms, the described the 3rd applies fluid passage is communicated with the chamber that applies of second in described five torque-transmitting mechanisms, the described the 4th applies fluid passage is communicated with the chamber that applies of the 3rd in described five torque-transmitting mechanisms, and described the second block fluid passage is communicated with the blocking-up chamber of the 3rd in described five torque-transmitting mechanisms,
Input link, it continues to be connected to the second component of described the second planetary gear set;
Output link, it continues to be connected at least one in the second component of described fourth planet gear train and the second component of described third planet gear train;
Intermediate member, it is fixed to the first member of described fourth planet gear train in rotatable mode;
Hydraulic fluid pump, it is fixed on described case of transmission and with driving mode and is connected at least one in torque-converters and motor, and described hydraulic fluid pump provides the hydraulic fluid of pressurization to the hydraulic control system of described speed changer;
The first member of the first member of described the first planetary gear set and described the second planetary gear set is continued to the first interconnecting component of interconnection;
The 3rd member of the second component of described the first planetary gear set and described fourth planet gear train is continued to the second interconnecting component of interconnection;
The first member of the 3rd member of described the second planetary gear set and described third planet gear train is continued to the 3rd interconnecting component of interconnection; And
The second component of the second component of described third planet gear train and described fourth planet gear train is continued to the 4th interconnecting component of interconnection, First Speed sensor cluster, second speed sensor cluster and third speed sensor cluster, wherein said First Speed sensor cluster has the First Speed sensor ring that is fixed to described input link in rotatable mode, described second speed sensor cluster has the second speed sensor ring that is fixed to described the second interconnecting component in rotatable mode, and described third speed sensor cluster has the third speed sensor ring that is fixed to described output link in rotatable mode,
Wherein, first in described five torque-transmitting mechanisms can optionally engage that the 3rd member of described the first planetary gear set and stationary element are interconnected;
In described five torque-transmitting mechanisms second can optionally engage with by least one and the interconnection of described stationary element in the first member of the first member of described the first planetary gear set and described the second planetary gear set;
In described five torque-transmitting mechanisms the 3rd can optionally engage with by least one and the first member interconnection of described fourth planet gear train in the second component of described the second planetary gear set and described input link;
In described five torque-transmitting mechanisms the 4th can optionally engage with by least one and the first member interconnection of described fourth planet gear train in the first member of the 3rd member of described the second planetary gear set and described third planet gear train;
The 5th in described five torque-transmitting mechanisms can optionally engage that the first member of the 3rd member of described third planet gear train and described fourth planet gear train is interconnected; And
Wherein, first and second in described five torque-transmitting mechanisms is break, and in described five torque-transmitting mechanisms the 3rd, the 4th and the 5th is clutch,
Wherein, described first, second, third and the first member of fourth planet gear train be sun gear member, described first, second, third and the second component of fourth planet gear train be carrier member, and described first, second, third and the 3rd member of fourth planet gear train be gear ring member.
16. multi-speed transmissions as claimed in claim 15,
Wherein, described torque-transmitting mechanisms can optionally engage at least three modes that combine, thereby sets up at least eight forward speed ratios and at least one reverse gear ratio between described input link and described output link.
17. multi-speed transmissions as claimed in claim 15, further comprise:
The quill being supported by the front support portion of described case of transmission;
A plurality of input link Sealings; And
The first annular pass, the second annular pass and the 3rd annular pass, wherein said annular pass by the internal surface of described quill, the outer surface of described input link and described a plurality of input link Sealing limit;
Wherein, described input link also comprises: first, second, and third hole that is parallel to the longitudinal axis setting of described input link; The first port being communicated with described the first hole and the second port being communicated with described the 3rd hole; The the first and second blocking-up ports that are communicated with described the second hole; What be communicated with described the first hole first applies port; And be communicated with described the 3rd hole second apply port; And
Wherein, described the first annular pass is communicated with described the first port, and described the second annular pass is communicated with described the second port, and described the 3rd annular pass is communicated with the second block fluid passage and the described first blocking-up port of described front support portion.
18. multi-speed transmissions as claimed in claim 17, further comprise:
A plurality of intermediate member Sealings; And
The 4th annular pass, the 5th annular pass and the 6th annular pass, wherein said annular pass by the outer surface of described input link, the internal surface of described intermediate member and described a plurality of intermediate member Sealing limit;
Wherein, described intermediate member also comprises: the intermediate hole being communicated with the second hole of described input link; With in described five torque-transmitting mechanisms the 4th apply that chamber is communicated with first apply side ports; With in described five torque-transmitting mechanisms the 5th apply that chamber is communicated with second apply side ports; The the first blocking-up side ports being communicated with the blocking-up chamber of the 4th in described five torque-transmitting mechanisms; And the second blocking-up side ports being communicated with the blocking-up chamber of the 5th in described five torque-transmitting mechanisms and described intermediate hole; And
Wherein, described the 4th annular pass and first of described intermediate member apply side ports and described first and apply port and be communicated with, the first blocking-up side ports of described the 5th annular pass and described intermediate member and described the second blocking-up port are communicated with, and described the 6th annular pass and second of described intermediate member apply side ports and described second and apply port and be communicated with.
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US8105196B2 (en) 2012-01-31
DE102010018574B4 (en) 2020-02-06
US20120322604A1 (en) 2012-12-20
US8262526B2 (en) 2012-09-11
US20120129640A1 (en) 2012-05-24
DE102010018574A1 (en) 2010-12-02

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